Finding the Third Proportional to 59,890.50 and 89,828.25

Step by Step Solution

1. Step 1: Write the proportion equation
   59,890.50 : 89,828.25 = 89,828.25 : x
2. Step 2: Convert to fraction form
   59,890.50/89,828.25 = 89,828.25/x
3. Step 3: Cross multiply
   59,890.50x = 89,828.25 × 89,828.25
4. Step 4: Simplify right side
   59,890.50x = 8,069,114,498.06
5. Step 5: Solve for x
   x = 8,069,114,498.06/59,890.50
6. Step 6: Final answer
   x = 134,731.13